ocfs2: Added post handler callable function in o2net message handler

Currently o2net allows one handler function per message type. This
patch adds the ability to call another function to be called after
the handler has returned the message to the other node.

Handlers are now given the option of returning a context (in the form of a
void **) which will be passed back into the post message handler function.

Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>

1 files changed, 4 insertions, 4 deletions

diff --git a/fs/ocfs2/vote.c b/fs/ocfs2/vote.c
index 0afd8b9af70f..f30e63b9910c 100644
--- a/fs/ocfs2/vote.c
+++ b/fs/ocfs2/vote.c
@@ -887,7 +887,7 @@ static inline int ocfs2_translate_response(int response)
 
 static int ocfs2_handle_response_message(struct o2net_msg *msg,
                                          u32 len,
-                                         void *data)
+                                         void *data, void **ret_data)
 {
         unsigned int response_id, node_num;
         int response_status;
@@ -943,7 +943,7 @@ bail:
 
 static int ocfs2_handle_vote_message(struct o2net_msg *msg,
                                      u32 len,
-                                     void *data)
+                                     void *data, void **ret_data)
 {
         int status;
         struct ocfs2_super *osb = data;
@@ -1007,7 +1007,7 @@ int ocfs2_register_net_handlers(struct ocfs2_super *osb)
                                         osb->net_key,
                                         sizeof(struct ocfs2_response_msg),
                                         ocfs2_handle_response_message,
-                                        osb, &osb->osb_net_handlers);
+                                        osb, NULL, &osb->osb_net_handlers);
         if (status) {
                 mlog_errno(status);
                 goto bail;
@@ -1017,7 +1017,7 @@ int ocfs2_register_net_handlers(struct ocfs2_super *osb)
                                         osb->net_key,
                                         sizeof(struct ocfs2_vote_msg),
                                         ocfs2_handle_vote_message,
-                                        osb, &osb->osb_net_handlers);
+                                        osb, NULL, &osb->osb_net_handlers);
         if (status) {
                 mlog_errno(status);
                 goto bail;